Q: Is 2,686,425 a Composite Number?

Why is 2,686,425 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 2,686,425 can be evenly divided by 1 3 5 7 15 17 21 25 35 43 49 51 75 85 105 119 129 147 175 215 245 255 301 357 425 525 595 645 731 735 833 903 1,075 1,225 1,275 1,505 1,785 2,107 2,193 2,499 2,975 3,225 3,655 3,675 4,165 4,515 5,117 6,321 7,525 8,925 10,535 10,965 12,495 15,351 18,275 20,825 22,575 25,585 31,605 35,819 52,675 54,825 62,475 76,755 107,457 127,925 158,025 179,095 383,775 537,285 895,475 and 2,686,425, with no remainder.

Since 2,686,425 cannot be divided by just 1 and 2,686,425, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).